Extracellular matrix turnover proteins as risk markers in people with type 2 diabetes and microalbuminuria

Anne-Cathrine Skriver-Møller*, Alexandra L Møller, Martin B Blond, Daniel G K Rasmussen, Federica Genovese, Henrik Reinhard, Bernt J von Scholten, Peter K Jacobsen, Hans-Henrik Parving, Morten A Karsdal, Tine W Hansen, Peter Rossing

*Corresponding author for this work

Abstract

BACKGROUND: This post-hoc study investigated whether biomarkers reflecting extracellular matrix (ECM) turnover predicted cardiovascular disease (CVD), mortality, and progression of diabetic kidney disease (DKD) in individuals with type 2 diabetes (T2D) and microalbuminuria.

METHODS: Serum levels of specific ECM turnover biomarkers were assessed in 192 participants with T2D and microalbuminuria from an observational study conducted at Steno Diabetes Center Copenhagen from 2007 to 2008. Endpoints included CVD events, mortality, and DKD progression, defined as decline in estimated glomerular filtration rate (eGFR) of >30 %.

RESULTS: Participants had a mean age of 59 years, with 75 % males. Over a median follow-up of 4.9 to 6.3 years, the study recorded 38 CVD events, 24 deaths, and 40 DKD events. Elevated levels of a degradation fragment of collagen type I (C1M) were associated with an increased risk of >30 % eGFR decline, although this association was not independent of other risk factors. No significant associations were found between other ECM turnover biomarkers and DKD progression, mortality, or CVD risk.

CONCLUSION: Elevated C1M levels were linked to DKD progression in individuals with T2D and microalbuminuria, but not independently of other risk factors. None of the ECM turnover biomarkers were associated with CVD or mortality.

Original languageEnglish
Article number108765
JournalJournal of Diabetes and its Complications
Volume38
Issue number6
Pages (from-to)108765
ISSN1056-8727
DOIs
Publication statusPublished - Jun 2024

Keywords

  • Cardiovascular
  • Diabetes
  • Extracellular matrix biomarkers
  • Kidney
  • Mortality
  • Prospective

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